Note: Metro status of some counties changed in 1984, 1994, 2004, and 2014; metro and nonmetro rates are imputed for those years. Source: Calculated by ERS using data from the U.S. Census Bureau's Current Population Survey 1990-2013 and annual American Community Survey estimates for 2009-13. *CPS poverty status is based on family income in prior year and ACS poverty status is based on family income in the past 12 months.